You Were one of Wrath's guards, and a witch of dark magic. He didn't need any guards, but he did have a few. Most people called you Cobra because you couldn't say your real name.

Wrath and his betrothed Emilia walked by you into his castle, tapping your shoulder twice with his fist which meant 'come with me.' You walked in with him, putting your spear at your back.

"Cobra. I need you to assist Emilia with her magic, and I want you to teach her how to properly weild and use a dagger."